20672850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 60558624

約数和(自身を除く): 39885774

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 33, 34, 50, 51, 55, 66, 67, 75, 85, 102, 110, 121, 134, 150, 165, 170, 187, 201, 242, 255, 275, 330, 335, 363, 374, 402, 425, 510, 550, 561, 605, 670, 726, 737, 825, 850, 935, 1005, 1122, 1139, 1210, 1275, 1474, 1650, 1675, 1815, 1870, 2010, 2057, 2211, 2278, 2550, 2805, 3025, 3350, 3417, 3630, 3685, 4114, 4422, 4675, 5025, 5610, 5695, 6050, 6171, 6834, 7370, 8107, 9075, 9350, 10050, 10285, 11055, 11390, 12342, 12529, 14025, 16214, 17085, 18150, 18425, 20570, 22110, 24321, 25058, 28050, 28475, 30855, 34170, 36850, 37587, 40535, 48642, 51425, 55275, 56950, 61710, 62645, 75174, 81070, 85425, 102850, 110550, 121605, 125290, 137819, 154275, 170850, 187935, 202675, 243210, 275638, 308550, 313225, 375870, 405350, 413457, 608025, 626450, 689095, 826914, 939675, 1216050, 1378190, 1879350, 2067285, 3445475, 4134570, 6890950, 10336425, 20672850]

約数ペア:

[(1, 20672850), (2, 10336425), (3, 6890950), (5, 4134570), (6, 3445475), (10, 2067285), (11, 1879350), (15, 1378190), (17, 1216050), (22, 939675), (25, 826914), (30, 689095), (33, 626450), (34, 608025), (50, 413457), (51, 405350), (55, 375870), (66, 313225), (67, 308550), (75, 275638), (85, 243210), (102, 202675), (110, 187935), (121, 170850), (134, 154275), (150, 137819), (165, 125290), (170, 121605), (187, 110550), (201, 102850), (242, 85425), (255, 81070), (275, 75174), (330, 62645), (335, 61710), (363, 56950), (374, 55275), (402, 51425), (425, 48642), (510, 40535), (550, 37587), (561, 36850), (605, 34170), (670, 30855), (726, 28475), (737, 28050), (825, 25058), (850, 24321), (935, 22110), (1005, 20570), (1122, 18425), (1139, 18150), (1210, 17085), (1275, 16214), (1474, 14025), (1650, 12529), (1675, 12342), (1815, 11390), (1870, 11055), (2010, 10285), (2057, 10050), (2211, 9350), (2278, 9075), (2550, 8107), (2805, 7370), (3025, 6834), (3350, 6171), (3417, 6050), (3630, 5695), (3685, 5610), (4114, 5025), (4422, 4675)]